Wind-proof and wind-vibration-resistant semi-open type suspended ceiling construction method and mounting structure thereof

Abstract

The invention provides a construction method of a wind-proof and wind-vibration-resistant semi-open type suspended ceiling. The construction method comprises the following steps: step 1, surveying and setting out; step 2, construction of a conversion layer; 3, the multi-cavity special-shaped keel is installed; step 4, mounting the snap-in hanger; 5, installing a windproof reinforcing system; and step 6, processing the convergent node. The invention further discloses a wind-proof and wind-vibration-resistant semi-open type suspended ceiling mounting structure which comprises the multi-cavity special-shaped keel, the meshing type hanging piece, the box type wind-proof pressing plate and the aluminum plate. According to the installation method, the box type windproof pressing plate and the multi-cavity special-shaped keel are locked and fixed through the countersunk head screws, the box type windproof pressing plate is inserted into the two adjacent aluminum plates, the multi-cavity special-shaped keel is symmetrically connected with the two meshing type hanging pieces, and the two meshing type hanging pieces are embedded into the prefabricated grooves of the aluminum plates, so that the windproof performance, the load resistance and the wind vibration resistance of the hanging plates are improved. The problem of installing the windproof wind-vibration-resistant high-load suspended ceiling in a semi-open special space is solved.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, and in particular to a wind-proof and wind-vibration-resistant open ceiling construction method and an installation structure thereof. Background Art

[0002] The ceiling of the special space form of the east-west corridor is designed and installed. The left side of this area is a full-height closed glass curtain wall system, and a 1.2m high stainless steel railing viewing platform is set up on the right side to form a semi-open building interface. According to CFD wind tunnel simulation analysis, this special structure causes the following characteristics of lateral wind pressure: 1. During the windy season every year, strong winds blowing from the southeast will quickly flow in from the gap in the right viewing platform area like a "through wind". The wind speed at this location will be about 30% faster than normal.

[0003] 2. At the corner where the glass curtain wall and the ceiling meet, a dynamic negative pressure zone is generated in the transition zone, which will suck the ceiling upwards. The maximum suction force can reach 0.8-1.2kPa, which is equivalent to the weight of two adults standing on each standard panel (2800×1500).

[0004] 3. The aluminum plate system needs to withstand the upward wind load of a Class II site with a 50-year recurrence period (standard value 0.65kN / m²). The upward pull force generated in extreme weather is equivalent to hanging a 65kg weight on each square meter of aluminum plate. Summary of the invention

[0005] In order to solve the problem of suspended ceilings in special spaces with the above special conditions, the present invention proposes a wind-proof and wind-vibration-resistant open suspended ceiling construction method and an installation system thereof.

[0006] A wind-proof and wind-vibration-resistant open ceiling construction method comprises the following steps: Step 1. Measure and lay out: Mark a +1000mm horizontal point on the corner of the wall or column in the corridor, pop up a level line, measure from the level line to the designed height of the ceiling plus the thickness of the aluminum plate and the height of the folded edge, and use a chalk line to pop up the bottom edge of the transition layer in the ceiling and the finished surface elevation of the aluminum plate ceiling along the wall or column; Step 2: Construction of transfer layer: Re-measure the bottom elevation of electromechanical pipelines, use galvanized angle steel for horizontal, vertical and longitudinal welding, with a spacing of ≤1200mm. When encountering electromechanical main pipelines, the spacing is increased to ≤900mm, and a transfer layer is set. The top of the galvanized angle steel is implanted into the structural top plate with chemical anchor bolts; Step 3: Installation of multi-cavity special-shaped keels: Determine the installation spacing of multi-cavity special-shaped keels according to the width of the aluminum plate, ensure that each aluminum plate edge is supported by a multi-cavity special-shaped keel, and use a bolt group to fix the multi-cavity special-shaped keel on the transfer layer. The bolt group spacing is ≤600mm; Step 4: Installation of snap-in hangers: 4 sets of snap-in hangers are pre-installed on each aluminum plate. Each set of snap-in hangers consists of 2 snap-in hangers. Each set of snap-in hangers is arranged at a spacing of ≤600mm. The 2 snap-in hangers are symmetrically pre-embedded in the prefabricated grooves on the back of the aluminum plate. The two sides of the multi-cavity special-shaped keel are respectively inserted into the 2 snap-in hangers to ensure that the surfaces of the two adjacent aluminum plates are flush. Step 5, installation of windproof reinforcement system; install box-type windproof pressure plate along the center line of the gap between every two aluminum plates, the box-type windproof pressure plate and the multi-cavity special-shaped keel are fixedly connected by countersunk screws, and the box-type windproof pressure plate is locked on the full length of the multi-cavity special-shaped keel with countersunk screws arranged with a spacing of ≤600mm, and the overlap length between the box-type windproof pressure plate and the aluminum plate is ≥50mm; Step 6. Finishing node processing: Perform finishing node processing on the finished surface of the cylinder, the finished surface of the rhombus column, and between the finished surface of the curtain wall aluminum veneer and the aluminum plate.

[0007] Furthermore, in step 2, a total station is used to re-measure the bottom elevation of the electromechanical pipeline, and the galvanized angle steel is L50×5 galvanized angle steel.

[0008] Furthermore, in step 3, the bolts are M8 bolt sets. After all keels are installed, the keel elevation is verified using a laser level. The horizontal deviation of a single keel in a single span is ≤3mm, and the cumulative deviation of the installed overall keel is ≤5mm / 30m.

[0009] Furthermore, in step 5, the countersunk screws are M6 stainless steel countersunk screws, the upper end of the box-type windproof pressure plate is fixedly connected to the multi-cavity special-shaped keel by M6 stainless steel countersunk screws, and the lower end of the box-type windproof pressure plate is inserted into the gap between the adjacent aluminum plates. After the box-type windproof pressure plate is installed, a wind speed simulator is used to test to ensure that the displacement of the aluminum plate surface is ≤3mm under a wind pressure of 1.5kPa and there is no abnormal sound.

[0010] Furthermore, in step 6, the finished surface of the cylinder is 20mm away from the aluminum ceiling, and a 1.2mm thick 50*12mm arc-shaped edging strip is used for edging. The finished surface of the oblique square column is 20mm away from the aluminum ceiling, and a 1.2mm thick 29*12mm U-shaped edging strip is used for edging. The finished surface of the curtain wall aluminum veneer is 15mm away from the honeycomb aluminum ceiling. A 3mm thick aluminum strip is fixed to the curtain wall aluminum veneer, and a 4.20*20*3mm corner code is fixed to the side of the honeycomb aluminum panel. After fixing the aluminum strip and the corner code with screws, a plastic strip is installed at the 15mm gap, and a 10mm gap is left on the edge of the aluminum plate at the step.

[0011] The second technical solution provided by the present invention is: A semi-open ceiling installation structure for wind prevention and anti-wind vibration, comprising a multi-chamber special-shaped keel, a bite-type hanger, a box-shaped windproof pressure plate and an aluminum plate. The top end of the multi-chamber special-shaped keel is fixedly connected to the galvanized angle steel of the conversion layer, and the lower end of the multi-chamber special-shaped keel is fixedly connected to the upper end of the box-shaped windproof pressure plate through countersunk screws. The lower end of the box-shaped windproof pressure plate is clamped into the gap between two adjacent aluminum plates for fixed connection. The upper ends of the two bite-type hangers are symmetrically clamped and connected to both ends of the multi-chamber special-shaped keel, and the lower ends of the two bite-type hangers are symmetrically embedded in the prefabricated grooves of two adjacent aluminum plates. Furthermore, the multi-chamber special-shaped keel is integrally formed, including upper and lower flanges and intermediate vertical ribs. The upper flange, two intermediate vertical ribs and the lower flange are fixedly connected to form an I-shaped structure. The middle disconnected part of the upper flange is moved downward to form a downward-moved upper flange connected to the two intermediate vertical ribs to form a square groove. The middle position of the lower flange protrudes upward to form a trapezoidal groove. Two end vertical ribs are arranged at both ends of the lower flange, and the two end vertical ribs are respectively clamped and connected to the two bite-type hangers. The square groove is fixedly connected to the galvanized angle steel of the conversion layer through an M8 bolt group, and the trapezoidal groove is fixedly connected to the box-shaped windproof pressure plate through an M6 stainless steel countersunk screw.

[0012] Furthermore, the bite-type hanger includes an upper end eagle-beak hook-shaped bite claw, an intermediate multi-bent vertical part and a lower end lower horizontal part. The eagle-beak hook-shaped bite claw, the multi-bent vertical part and the lower horizontal part are integrally formed. The end vertical rib is clamped into the eagle-beak hook-shaped bite claw for fixed connection, and the lower horizontal part is embedded in the prefabricated groove of the aluminum plate.

[0013] Furthermore, the box-shaped windproof pressure plate is integrally compression-molded, including two side horizontal parts, two end vertical parts and a box-shaped part. The upper ends of the two end vertical parts are respectively fixedly connected to one ends of the two side horizontal parts, and the lower ends of the two end vertical parts are respectively inserted into the prefabricated grooves of the aluminum plate. The other ends of the two side horizontal parts are respectively fixedly connected to the middle parts of both ends of the box-shaped part. The upper part of the box-shaped part is fixedly connected to the trapezoidal groove through an M6 stainless steel countersunk screw. The lower part of the box-shaped part is inserted into the gap between two adjacent aluminum plates. The lengths of the two side horizontal parts are the same, and 18mm < the length of the two side horizontal parts < 20mm. The aluminum plate is a metal honeycomb aluminum plate.

[0014] The beneficial effects of the present invention are as follows: (1) Verified by wind tunnel tests, under the working condition of a simulated wind speed of 42 m / s, the maximum displacement of the aluminum plate surface is only 2.3 mm (less than the specification limit of L / 200), solving the wind vibration control problem of the semi-open ceiling system.

[0015] (2) The present invention generally adopts a box-shaped windproof pressure plate. The box-shaped windproof pressure plate is locked to the multi-chamber special-shaped keel through M6 stainless steel countersunk screws arranged at intervals of 600 mm to form a continuous wind pressure resistance strip, which can effectively decompose 80% of the wind suction force; (3) In the present invention, the cross-section of the multi-chamber special-shaped keel is multi-chamber special-shaped. The multi-chamber structure forms a continuous force transmission path, effectively decomposing the hanging and wind resistance capabilities. The upper flange, two middle vertical ribs, and the lower flange are fixedly connected to form an I-shaped structure to enhance the bending resistance performance. The middle position of the lower flange protrudes upward to form a trapezoidal groove, which is convenient for the box-shaped windproof pressure plate to be locked with the multi-chamber special-shaped keel, improving the windproof performance. (4) In the present invention, the occlusal hanging piece adopts a composite occlusal cross-section, and realizes high-strength load transmission through a multi-directional stress structure. (5) In the present invention, the box-shaped windproof pressure plate adopts a multi-level bending-resistant cross-section. The middle box-shaped structure enhances the torsional resistance ability. The upper part of the box body provides a structure for the windproof pressure plate to be locked with the keel. The lower part of the box body is inserted into the gap between two aluminum plates, and the contact length between the two side flanges and the aluminum plates is ≥50 mm, dispersing the stress of the screw joints in the connection between the windproof pressure plate and the keel, and increasing the wind pressure resistance ability. Description of the Drawings

[0016] Figure 1 is a horizontal cross-sectional view of an open ceiling with windproof and anti-vibration functions according to the present invention; Figure 2 is a horizontal cross-sectional view of the installation structure of an open ceiling with windproof and anti-vibration functions according to the present invention; Figure 3 is a horizontal cross-sectional view of the multi-chamber special-shaped keel in an open ceiling with windproof and anti-vibration functions according to the present invention; Figure 4 is a horizontal cross-sectional view of the occlusal hanging piece in an open ceiling with windproof and anti-vibration functions according to the present invention; Figure 5 is a horizontal cross-sectional view of the box-shaped windproof pressure plate in an open ceiling with windproof and anti-vibration functions according to the present invention.

[0017] Symbol Description in the Drawings: 1. Multi-chamber special-shaped keel, 11. Upper flange, 12. Lower flange, 13. Middle vertical rib, 14. Square groove, 15. Trapezoidal groove 16. End vertical rib, 2. Occlusal hanging piece, 21. Eagle beak hook-shaped occlusal claw, 22. Multi-bent vertical part, 23. Lower horizontal part 3. Box-shaped windproof pressure plate, 31. Horizontal part, 32. Vertical part, 33. Box-shaped part, 321. Upper part of the box-shaped part, 322. Lower part of the box-shaped part 4. Aluminum plate, 5. Galvanized angle steel, 6. Countersunk head screw, 7. Bolt group. Detailed Embodiments

[0018] To enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below with reference to the drawings and specific embodiments.

[0019] Among them, the drawings are only used for illustrative explanations, and they only represent schematic diagrams rather than actual pictures, and should not be understood as limitations on this patent; in order to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0020] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0021] In the description of this patent, unless otherwise clearly specified and limited, if the term "connection" or the like appears to indicate the connection relationship between components, the term should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two components or the interaction relationship between two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] A semi-open ceiling construction method for wind and wind vibration resistance comprises the following steps: Step 1. Measure and lay out: Mark a +1000mm horizontal point on the corner of the wall or column in the corridor, pop up a level line, measure from the level line to the designed height of the ceiling plus the thickness of the aluminum plate and the height of the folded edge, and use a chalk line to pop up the bottom edge of the transition layer in the ceiling and the finished surface elevation of the aluminum plate ceiling along the wall or column; Step 2: Construction of transfer layer: Re-measure the bottom elevation of electromechanical pipelines, use galvanized angle steel for horizontal, vertical and longitudinal welding, with a spacing of ≤1200mm. When encountering electromechanical main pipelines, the spacing is increased to ≤900mm, and a transfer layer is set. The top of the galvanized angle steel is implanted into the structural top plate with chemical anchor bolts; Furthermore, in step 2, a total station is used to re-measure the bottom elevation of the electromechanical pipeline, and the galvanized angle steel is L50×5 galvanized angle steel.

[0023] Step 3. Installation of multi-chamber special-shaped keels: Determine the installation spacing of multi-chamber special-shaped keels according to the width of the aluminum plates, ensuring that each edge of the aluminum plate is supported by a multi-chamber special-shaped keel. Fix the multi-chamber special-shaped keels on the conversion layer using bolt groups, with the bolt group spacing ≤ 600 mm. Further, in Step 3, the bolt group is an M8 bolt group. After all the multi-chamber special-shaped keels are installed, use a laser level to recheck the elevation of the multi-chamber special-shaped keels. The single-span horizontal deviation of a single multi-chamber special-shaped keel ≤ 3 mm, and the cumulative deviation of the installed overall multi-chamber special-shaped keels ≤ 5 mm / 30 m.

[0024] Step 4. Installation of snap-on hangers: Pre-install 4 groups of snap-on hangers on each aluminum plate. Each group of snap-on hangers consists of 2 snap-on hangers. Each group of snap-on hangers is arranged at a spacing ≤ 600 mm. The 2 snap-on hangers are symmetrically pre-embedded in the prefabricated grooves on the back of the aluminum plate. The two sides of the multi-chamber special-shaped keel are respectively inserted into the 2 snap-on hangers to ensure that the surfaces of adjacent aluminum plates are flush. Step 5. Installation of the windproof reinforcement system; Install box-shaped windproof pressing plates along the midline of the gap between every two aluminum plates. The box-shaped windproof pressing plates are fixedly connected to the multi-chamber special-shaped keels through countersunk head screws. The countersunk head screws arranged at a spacing ≤ 600 mm lock the box-shaped windproof pressing plates to the multi-chamber special-shaped keels over the whole length. The overlapping length of the box-shaped windproof pressing plates and the aluminum plates ≥ 50 mm. Further, in Step 5, the countersunk head screws are M6 stainless steel countersunk head screws. The upper end of the box-shaped windproof pressing plate is fixedly connected to the multi-chamber special-shaped keel through M6 stainless steel countersunk head screws. The lower end of the box-shaped windproof pressing plate is inserted into the gap between adjacent aluminum plates. After the box-shaped windproof pressing plates are installed, use a wind speed simulator to test to ensure that the displacement of the aluminum plate surface ≤ 3 mm under a wind pressure of 1.5 kPa and there is no abnormal sound.

[0025] Step 6. Treatment of the closing joints: Carry out the treatment of the closing joints between the completed surfaces of the cylinders, the completed surfaces of the trapezoidal columns, and the completed surfaces of the curtain wall aluminum veneers and the aluminum plates.

[0026] Further, in Step 6, there is a 20-mm gap between the completed surface of the cylinder and the aluminum plate ceiling. Use a 1.2-mm-thick 50*12-mm arc-shaped edge trim to trim the edge. There is a 20-mm gap between the completed surface of the trapezoidal column and the aluminum plate ceiling. Use a 1.2-mm-thick 29*12-mm U-shaped edge trim to trim the edge. There is a 15-mm gap between the completed surface of the curtain wall aluminum veneer and the honeycomb aluminum plate ceiling. Fix a 3-mm-thick aluminum strip on the curtain wall aluminum veneer, and fix a 4.20*20*3-mm angle bracket on the side of the honeycomb aluminum plate. After fixing the aluminum strip and the angle bracket with screws, install a plastic pressing strip at the 15-mm gap, and leave a 10-mm gap at the edge of the aluminum plate at the stepped part.

[0027] For the ceiling installation in the semi - open special space of the east - west connecting corridor, it is necessary to solve the problems of bearing greater wind speed than ordinary ceilings and the ceiling being adsorbed to generate abnormal loads. In order to be able to carry out ceiling construction in this special semi - open space, the present invention designs multi - cavity different - shaped keels, snap - on hanging parts, box - type wind - proof pressure plates. And in the installation method, the box - type wind - proof pressure plate is locked to the multi - cavity different - shaped keel through countersunk screws. The box - type wind - proof pressure plate is inserted into the adjacent two aluminum plates. The multi - cavity different - shaped keel symmetrically connects two snap - on hanging parts, and the two snap - on hanging parts are embedded in the pre - formed grooves of the aluminum plates, which improves the wind - proof, load - resistance and wind - vibration resistance performance of the suspended ceiling. It solves the problem of installing a wind - proof, wind - vibration - resistant and high - load ceiling in a semi - open special space.

[0028] The present invention also discloses a semi - open ceiling installation structure for wind - proof and wind - vibration resistance, as Figures 1 to 5 shown, including a multi - cavity different - shaped keel 1, a snap - on hanging part 2, a box - type wind - proof pressure plate 3 and an aluminum plate 4. The top end of the multi - cavity different - shaped keel 1 is fixedly connected to the galvanized angle steel 5 of the conversion layer through a bolt group 7. The lower end of the multi - cavity different - shaped keel 1 is fixedly connected to the upper end of the box - type wind - proof pressure plate 3 through a countersunk screw 6. The lower end of the box - type wind - proof pressure plate 3 is clamped into the gap between two adjacent aluminum plates 4 for fixed connection. The upper ends of the two snap - on hanging parts 2 are symmetrically clamped and connected to both ends of the multi - cavity different - shaped keel 1. The lower ends of the two snap - on hanging parts 2 are symmetrically embedded in the pre - formed grooves of two adjacent aluminum plates 4 respectively. In this installation system, the structure of locking the box - type wind - proof pressure plate 3 to the multi - cavity different - shaped keel 1 through the countersunk screw 6 and the lower end of the box - type wind - proof pressure plate 3 being clamped into the gap between adjacent aluminum plates 4 improves the wind - proof performance of the ceiling. After the lower ends of the two snap - on hanging parts 2 are symmetrically embedded in the pre - formed grooves of two adjacent aluminum plates 4 respectively, and then the upper ends of the two snap - on hanging parts 2 are symmetrically clamped and connected to both ends of the multi - cavity different - shaped keel 1. The symmetric clamping connection and the symmetric embedding in the aluminum plate structure significantly improve the wind - vibration resistance and load - bearing capacity of the hanging parts.

[0029] Furthermore, as Figure 3As shown in the figure, the multi-chamber special-shaped keel 1 is integrally formed, including an upper flange 11, a lower flange 12, and an intermediate vertical rib 13. The upper flange 11, two intermediate vertical ribs 13, and the lower flange 12 are fixedly connected to form an I-shaped cross-section. The middle disconnected part of the upper flange 11 is moved downward to form a downward-moved upper flange that is connected to the two intermediate vertical ribs to form a square groove 14. The middle position of the lower flange bulges upward to form a trapezoidal groove 15. Two end vertical ribs 16 are provided at both ends of the lower flange. The two end vertical ribs 16 are respectively fixedly connected to two snap-on hanging members 2. The square groove 14 is fixedly connected to the conversion layer galvanized angle steel through an M8 bolt group. The trapezoidal groove is fixedly connected to the box-shaped wind-proof pressing plate through M6 stainless steel countersunk head screws 6. The multi-chamber structure forms a continuous force transmission path, effectively decomposing the hanging and wind resistance capabilities. The upper flange 11, two intermediate vertical ribs 13, and the lower flange 12 are fixedly connected to form an I-shaped cross-section to enhance the bending resistance performance. The middle position of the lower flange bulges upward to form a trapezoidal groove 15, which is convenient for locking the screws of the wind-proof pressing piece. In this embodiment, the size of the trapezoidal groove 15 is 11*7*4.

[0030] Further, as Figure 4 shown in the figure, the snap-on hanging member 2 includes an upper end eagle-beak hook-shaped snap claw 21, an intermediate multi-bent vertical portion 22, and a lower end lower horizontal portion 23. The eagle-beak hook-shaped snap claw 21, the multi-bent vertical portion 22, and the lower horizontal portion 23 are integrally formed. The end vertical rib 16 is snapped into the eagle-beak hook-shaped snap claw 21 for fixed connection. The lower horizontal portion 23 is embedded in the prefabricated groove of the aluminum plate 4. The upper end eagle-beak hook-shaped snap claw 21 is embedded in the end vertical rib slot of the multi-chamber special-shaped keel 1 to bear the vertical tensile force. The 21mm lower horizontal portion 23 at the lower end can be perfectly embedded in the U-shaped groove bracket reserved at the edge of the aluminum plate, and can be locked in multiple directions of vertical, horizontal, and torsion resistance to meet the requirements of complex environments with high loads and high wind pressures.

[0031] Further, as Figure 5 shown in the figure, the box-shaped wind-proof pressing plate 3 is integrally compression molded, including two side horizontal portions 31, two end vertical portions 32, and a box-shaped portion 33. The upper ends of the two end vertical portions 32 are respectively fixedly connected to one ends of the two side horizontal portions 31. The lower ends of the two end vertical portions 32 are respectively inserted into the prefabricated grooves of the aluminum plate. The other ends of the two side horizontal portions 31 are respectively fixedly connected to the middle parts of the two ends of the box-shaped portion 33. The upper part 331 of the box-shaped portion is fixedly connected to the trapezoidal groove 15 through M6 stainless steel countersunk head screws 6. The lower part 332 of the box-shaped portion is inserted into the gap between two adjacent aluminum plates 4. The lengths of the two side horizontal portions 32 are the same, and 18mm < the length of the side horizontal portion < 20mm. The aluminum plate 4 is a metal honeycomb aluminum plate. The box-shaped structure of the box-shaped portion 33 enhances the torsion resistance ability. The upper part 331 of the box body portion serves the function of locking with M6 screws. The lower part 332 of the box body portion is assisted to be inserted into the gap between adjacent aluminum plates. The gap between adjacent aluminum plates is controlled to correspond to the size of the lower part 332 of the box body portion. The two side horizontal portions increase the contact area with the aluminum plate, disperse the bolt joint stress, and increase the wind pressure resistance ability.

[0032] It should be noted that the above specific embodiments are only the preferred embodiments of the present invention and the technical principles applied. Those skilled in the art should understand that various modifications, equivalent replacements, changes, etc. can be made to the present invention. However, as long as these transformations do not deviate from the spirit of the present invention, they should be within the protection scope of the present invention. In addition, some terms used in the specification and claims of this application are not restrictive, but are only for the convenience of description.

Claims

1. A construction method for a semi-open ceiling that resists wind and wind vibration, characterized in that, The following steps are involved: Step 1. Measure and lay out: Mark a +1000mm horizontal point on the corner of the wall or column in the corridor, pop up a level line, measure from the level line to the designed height of the ceiling plus the thickness of the aluminum plate and the height of the folded edge, and use a chalk line to pop up the bottom edge of the transition layer in the ceiling and the finished surface elevation of the aluminum plate ceiling along the wall or column; Step 2: Construction of transfer layer: Re-measure the bottom elevation of electromechanical pipelines, use galvanized angle steel for horizontal, vertical and longitudinal welding, with a spacing of ≤1200mm. When encountering electromechanical main pipelines, the spacing is increased to ≤900mm, and a transfer layer is set. The top of the galvanized angle steel is implanted into the structural top plate with chemical anchor bolts; Step 3: Installation of multi-cavity special-shaped keels: Determine the installation spacing of multi-cavity special-shaped keels according to the width of the aluminum plate, ensure that each aluminum plate edge is supported by a multi-cavity special-shaped keel, and use a bolt group to fix the multi-cavity special-shaped keel on the transfer layer. The bolt group spacing is ≤600mm; Step 4: Installation of snap-in hangers: 4 sets of snap-in hangers are pre-installed on each aluminum plate. Each set of snap-in hangers consists of 2 snap-in hangers. Each set of snap-in hangers is arranged at a spacing of ≤600mm. The 2 snap-in hangers are symmetrically pre-embedded in the prefabricated grooves on the back of the aluminum plate. The two sides of the multi-cavity special-shaped keel are respectively inserted into the 2 snap-in hangers to ensure that the surfaces of the two adjacent aluminum plates are flush. Step 5, installation of windproof reinforcement system; install box-type windproof pressure plate along the center line of the gap between adjacent aluminum plates, the box-type windproof pressure plate and the multi-cavity special-shaped keel are fixedly connected by countersunk screws, and the box-type windproof pressure plate is locked on the full length of the multi-cavity special-shaped keel with countersunk screws arranged with a spacing of ≤600mm, and the overlap length between one side of the box-type windproof pressure plate and the aluminum plate is 18mm<20mm; Step 6. Finishing node processing: Perform finishing node processing on the finished surface of the cylinder, the finished surface of the rhombus column, and between the finished surface of the curtain wall aluminum veneer and the aluminum plate.

2. The construction method of the semi-open ceiling for wind prevention and anti-vibration according to claim 1, characterized in that, In step 2, a total station is used to re-measure the bottom elevation of the electromechanical pipeline, and the galvanized angle steel is L50×5 galvanized angle steel.

3. The construction method of the semi-open ceiling for wind prevention and anti-vibration according to claim 1, characterized in that, In step 3, the bolt group is an M8 bolt group. After all the multi-cavity special-shaped keels are installed, the elevation of the multi-cavity special-shaped keels is verified using a laser level. The horizontal deviation of a single multi-cavity special-shaped keel per span is ≤3mm, and the cumulative deviation of the installed overall multi-cavity special-shaped keel is ≤5mm / 30m.

4. The construction method of the semi-open ceiling for wind prevention and anti-vibration according to claim 1, characterized in that, In step 5, the countersunk screws are M6 stainless steel countersunk screws. The upper end of the box-type windproof pressure plate is fixedly connected to the multi-cavity special-shaped keel by M6 stainless steel countersunk screws. The lower end of the box-type windproof pressure plate is inserted into the gap between the adjacent aluminum plates. After the box-type windproof pressure plate is installed, a wind speed simulator is used for testing to ensure that the displacement of the aluminum plate surface is ≤3mm under a wind pressure of 1.5kPa and there is no abnormal sound.

5. The construction method of the semi-open ceiling for wind prevention and anti-vibration according to claim 1, characterized in that, In step 6, the finished surface of the cylinder is 20mm away from the aluminum ceiling, and a 1.2mm thick 50*12mm arc-shaped edging strip is used for edging. The finished surface of the oblique square column is 20mm away from the aluminum ceiling, and a 1.2mm thick 29*12mm U-shaped edging strip is used for edging. The finished surface of the curtain wall aluminum veneer is 15mm away from the honeycomb aluminum ceiling. Fix the 3mm thick aluminum strip on the curtain wall aluminum veneer, fix the 4.20*20*3mm angle code on the side of the honeycomb aluminum panel, fix the aluminum strip and the angle code with screws, and install the plastic strip at the 15mm gap.

6. The construction method of the semi-open ceiling for wind prevention and anti-vibration according to any one of claims 2 to 5, characterized in that, The aluminum plate is a metal honeycomb aluminum plate.

7. The semi-open ceiling installation structure for wind prevention and anti-vibration according to claim 6, characterized in that, It includes a multi-chamber special-shaped keel (1), a bite-type hanging piece (2), a box-shaped wind-proof pressing plate (3), and an aluminum plate (4). The top of the multi-chamber special-shaped keel (1) is fixedly connected to the galvanized angle steel (5) through a bolt group (7). The lower end of the multi-chamber special-shaped keel (1) is fixedly connected to the upper end of the box-shaped wind-proof pressing plate (3) through a countersunk head screw (6). The lower end of the box-shaped wind-proof pressing plate (3) is clamped into the gap between two adjacent aluminum plates (4) for fixed connection. The upper ends of the two bite-type hanging pieces (2) are symmetrically clamped and connected to both ends of the multi-chamber special-shaped keel (1). The lower ends of the two bite-type hanging pieces (2) are symmetrically embedded into the prefabricated grooves of two adjacent aluminum plates (4).

8. The semi-open ceiling installation structure for wind prevention and anti-vibration according to claim 7, characterized in that, The multi-chamber special-shaped keel (1) is integrally formed and includes an upper flange (11), a lower flange (12), and an intermediate vertical rib (13). The upper flange (11), the two intermediate vertical ribs (13), and the lower flange (12) are fixedly connected to form an I-shaped structure. The downward displacement of the disconnected part in the middle of the upper flange (11) forms a downward-displaced upper flange that is connected to the two intermediate vertical ribs to form a square groove (14). The middle position of the lower flange protrudes upward to form a trapezoidal groove (15). Two end vertical ribs (16) are provided at both ends of the lower flange. The two end vertical ribs (16) are respectively clamped and connected to the two bite-type hanging pieces (2). The square groove (14) is fixedly connected to the galvanized angle steel of the conversion layer through an M8 bolt group. The trapezoidal groove is fixedly connected to the box-shaped wind-proof pressing plate through an M6 stainless steel countersunk head screw (6).

9. The semi-open ceiling installation structure for wind prevention and anti-vibration according to claim 8, characterized in that, The bite-type hanging piece (2) includes an upper end eagle-beak-shaped bite claw (21), an intermediate multi-bent vertical part (22), and a lower end lower horizontal part (23). The eagle-beak-shaped bite claw (21), the multi-bent vertical part (22), and the lower horizontal part (23) are integrally formed. The end vertical rib (16) is clamped into the eagle-beak-shaped bite claw (21) for fixed connection. The lower horizontal part (23) is embedded into the prefabricated groove of the aluminum plate (4).

10. The semi-open ceiling installation structure for wind prevention and anti-vibration according to claim 9, characterized in that, The box-shaped wind-proof pressing plate (3) is integrally compression-molded and includes two side horizontal parts (31), two end vertical parts (32), and a box-shaped part (33). The upper ends of the two end vertical parts (32) are respectively fixedly connected to one end of the two side horizontal parts (31). The lower ends of the two end vertical parts (32) are respectively inserted into the prefabricated grooves of the aluminum plate. The other ends of the two side horizontal parts (32) are respectively fixedly connected to the middle parts at both ends of the box-shaped part (33). The upper part (331) of the box-shaped part is fixedly connected to the trapezoidal groove (15) through an M6 stainless steel countersunk head screw (6). The lower part (332) of the box-shaped part is inserted into the gap between two adjacent aluminum plates (4). The lengths of the two side horizontal parts (32) are the same, and 18 mm < the length of the side horizontal part < 20 mm. The aluminum plate (4) is a metal honeycomb aluminum plate.

Images